C1111233133313231133133313331333133313231331121133132322121111133332321   >>    C111123313331323113313331333133313331323133112113313232212111113333232   <<    C1111233133313231133133313331333133313231331121133132322121111133332323   >>      C1111233133313231133133313331333133313231331121133132322121111133332322   >>